Courier bag



FIG. 1 is a perspective view of a courier bag showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines shown in the FIG. 7 representing stitching are part of the claimed design; the broken lines shown in the FIGS. 1 and 4-5 depict portions of the courier bag that form no part of the claimed design. 

CLAIM The ornamental design for a courier bag, as shown and described. 